How old was Seo Jeong-gyu in…

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Seo Jeong-gyu was ? in Miss Baek as 'Security Guard'.

Movie Released: Thu, Oct 11 2018

Seo Jeong-gyu was ? in Midnight Runners as 'Professor'.

Movie Released: Wed, Aug 09 2017

Seo Jeong-gyu was ? in Voice of a Murderer as 'News PD'.

Movie Released: Thu, Feb 01 2007

Seo Jeong-gyu was ? in Dasepo Naughty Girls as 'Announcer'.

Movie Released: Thu, Aug 10 2006

Seo Jeong-gyu was ? in Running Wild as 'Prosecutor'.

Movie Released: Fri, Jan 13 2006

Seo Jeong-gyu was ? in The Uninvited as 'Prosecutor'.

Movie Released: Fri, Aug 08 2003

Seo Jeong-gyu was ? in Joint Security Area as 'South Korean Soldier Officer'.

Movie Released: Sat, Sep 09 2000

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages